WCAG best practices - general (low-code)
Audit tab
When modifying existing applications, pay attention to the Audit. (Unfortunately, at the moment only XML is checked - mainly labels. Errors in TextContent are not detected there, so when checking or modifying an application for WCAG, do not rely solely on the Audit).
HTML - TextContents and custom components (CustomComponents)
When creating and modifying TextContents it is worth checking the HTML using the validator: Markup Validation Service (HTML) – https://validator.w3.org/ (additional information 
)
Pay attention to links (target), images (alt), lists and headings (maintaining the correct hierarchy).
AriaLabel and ariaDescription
ariaLabel – The value of the component's label property.
ariaDescription – The value of the component's description property. This is a text verbally describing the component, read by screen readers. It most often constitutes an extended description of the field (e.g. contains the field mask, tooltip text not read by the screen reader, validator).
By default ariaLabel are empty, they should be added according to the example. (see Text field (TextField) and Multiple choice field (Checkbox) in the table below)
ariaLabel should be added if the component has no association with a label.
Example of filling ariaLabel ariaLabel should be used on interactive elements of the page.
Additional information: Using ARIA
Verification of ariaLabel and ariaDescription
Ways of verification ariaLabel and ariaDescription:
using a screen reader – you can check how attributes are read to the user. (Links to example screen readers are at the end of the documentation)
using developer tools – DevTools – attributes ariaLabel and ariaDescription can be checked directly in the DOM structure, in the Elements.
using a browser plugin e.g. WAVE Evaluation Tool
ariaLabel and ariaDescription in DevToolsHeadings
<h1> Eximee Designer will by default have set <h1> as the application title. Although using several headings <h1> is allowed by HTML standards (as long as they are not nested), it is not considered good practice. Basically there should be one heading <h1>that describes the main content of the page. When adding headings to an application it is best to start from level <h2>.
Section headings - each added section in the application may have its own heading. Section within a section will have the next heading level (aria-level) – this also applies to repeatable sections.
Additional information: <h1>–<h6>: The HTML Section Heading elements
Reusability of complex components (dynamic names)
If a given complex component is used multiple times – e.g. in an application template or as part of another complex component - you can set different values for ariaLabel and ariaDescription, depending on the usage context.
For example: the field "First name" may have a different description for the applicant and another for the co-applicant.
To achieve this, in the artifact containing the reused complex component :
Go to the Translations.
For each field separately add appropriate translation keys ariaLabel and/or ariaDescription. Note: The key must be the full path to the field.
Example: Field Street (GesTextField1), located in a complex component, was used twice in the application – assigned ids GesComplexComponent2 and GesComplexComponent3. For each occurrence you can assign a different ariaLabel, e.g.:
GesComplexComponent2.GesTextField1.ariaLabel : "Street residence"
GesComplexComponent3.GesTextField1.ariaLabel : "correspondence street"
Verification method
After focusing the field the reader should read the correct ariaLabel, i.e. "residence street" and "correspondence street"
Page as a form
If the parameter is checked, the application page is assigned the role form. By default this parameter is enabled.
Required/optional fields
Fields required to be filled should be marked – add information about their requirement in the visual layer e.g. by adding "*required field" or the symbol "*". They should also visually differ from optional fields so that the user can easily identify them.
Page title
The page title should clearly identify the current location, without the need to read the page content.
Text as an image
Do not place text in the form of an image (exception is a logo). (additional information )
Text resizing (custom style)
After increasing the text size by 200% there must be no loss of readability or interface functionality. (additional information
)Text should meet minimum spacing requirements to ensure readability:
line height: at least 1.5 times the font size
paragraph spacing: at least 2 times the font size
letter spacing: at least 0.12 times the font size
word spacing: at least 0.16 times the font size
All elements must remain readable and visible after applying the above parameters.
Special characters in content
If special characters are used in the content, e.g. arrows serving a decorative function, they should be hidden from screen readers using the aria-hidden. Example: <span aria-hidden="true">→</span> Continue
Responsiveness
Content must be presented without loss of information or functionality on screens with a minimum width of 320 px and height of 256 px. Additionally horizontal scrolling must not occur, except for two-dimensional content such as: tables, complex images, maps and charts.
High contrast
All elements should be visible and readable when high contrast mode is enabled. Chrome extension: https://chromewebstore.google.com/detail/wysoki-kontrast/djcfdncoelnlbldjfhinnjlhdjlikmph?hl=pl
Navigation
Navigation elements on subpages should be located in the same place, maintaining a consistent layout across all pages.
CSS - Hiding text from visual presentation + ignoring text by screen readers
Additional information: CSS - Invisible Content Just for Screen Reader Users
display:none or visibility: hidden → hiding text from everyone
Summary
The form should include a page with a summary of data – a so-called confirmation page – allowing the user to review them, go back to previous steps to make corrections and finally confirm the correctness of the data.
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